Strain, Changes in Length and Settlement

Sensors and instruments for monitoring, measuring and display- ing movements in rocks and walls.

Jointmeter JM

Manual device for monitoring joint movements

Setdeflectometer ERDM/RDM

Mechanical gauges with digital or analog reading

Telejointmeter TJM

Electrical device for monitoring joint movements

Rockmeter RM/RMT

Single or multiple-rod rockmeters for measuring axial displacements

Teletensometer TTP

Measuring of relative changes in length in vertical or horizontal direction over distances of up to 60 m

Deformeter EDU

Precision strain meter with 250 or 500 mm measuring base

Tensotast TAS

Precision strain meter with 20 up to 200 mm measuring base 

Water level gauge KLL

Water level measuring in wells

ZGL / ZSL

Measuring of relative changes in length in vertical and horizontal direction over distances of up to 60 m